[INFO] fetching crate scanmut 0.2.0...
[INFO] testing scanmut-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate scanmut 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate scanmut 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanmut 0.2.0
[INFO] finished tweaking crates.io crate scanmut 0.2.0
[INFO] tweaked toml for crates.io crate scanmut 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15880312d739bdee8a6ef60f4e1fd0ab6183bdfc3fdd6626840e9caa00b5082
[INFO] running `Command { std: "docker" "start" "-a" "a15880312d739bdee8a6ef60f4e1fd0ab6183bdfc3fdd6626840e9caa00b5082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15880312d739bdee8a6ef60f4e1fd0ab6183bdfc3fdd6626840e9caa00b5082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15880312d739bdee8a6ef60f4e1fd0ab6183bdfc3fdd6626840e9caa00b5082", kill_on_drop: false }`
[INFO] [stdout] a15880312d739bdee8a6ef60f4e1fd0ab6183bdfc3fdd6626840e9caa00b5082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9669381681beca45ce1b12fd3a99c65e0efadc20457efb017e0c18220dc15453
[INFO] running `Command { std: "docker" "start" "-a" "9669381681beca45ce1b12fd3a99c65e0efadc20457efb017e0c18220dc15453", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scanmut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "9669381681beca45ce1b12fd3a99c65e0efadc20457efb017e0c18220dc15453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9669381681beca45ce1b12fd3a99c65e0efadc20457efb017e0c18220dc15453", kill_on_drop: false }`
[INFO] [stdout] 9669381681beca45ce1b12fd3a99c65e0efadc20457efb017e0c18220dc15453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa788c15054b7aebdfd7c2da523303b178599e6f67f773ae2da6f7f6c12be48c
[INFO] running `Command { std: "docker" "start" "-a" "aa788c15054b7aebdfd7c2da523303b178599e6f67f773ae2da6f7f6c12be48c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling scanmut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/scanmut-4d66ac5f776d1c39)
[INFO] running `Command { std: "docker" "inspect" "aa788c15054b7aebdfd7c2da523303b178599e6f67f773ae2da6f7f6c12be48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa788c15054b7aebdfd7c2da523303b178599e6f67f773ae2da6f7f6c12be48c", kill_on_drop: false }`
[INFO] [stdout] aa788c15054b7aebdfd7c2da523303b178599e6f67f773ae2da6f7f6c12be48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1e53bfacd5a33cc782725a1a9ebe17080550879d92ddf3a78b2a3963551f6a
[INFO] running `Command { std: "docker" "start" "-a" "6e1e53bfacd5a33cc782725a1a9ebe17080550879d92ddf3a78b2a3963551f6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scanmut-4d66ac5f776d1c39)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test inserter::tests::inserter_empty ... ok
[INFO] [stdout] test inserter::tests::inserter_max_index ... ok
[INFO] [stdout] test inserter::tests::inserter_single_pre ... ok
[INFO] [stdout] test inserter::tests::inserter_threes ... ok
[INFO] [stdout] test remover::tests::remover_single ... ok
[INFO] [stdout] test remover::tests::remover_advance_one_past ... ok
[INFO] [stdout] test tests::insert_all_end ... ok
[INFO] [stdout] test remover::tests::remover_two_first ... ok
[INFO] [stdout] test remover::tests::remover_two_second ... ok
[INFO] [stdout] test tests::insert_all_rev_end ... ok
[INFO] [stdout] test tests::multimutate_multiple_insert ... ok
[INFO] [stdout] test tests::multimutate_single_insert ... ok
[INFO] [stdout] test tests::multimutate_single_insert_zero_sized ... ok
[INFO] [stdout] test remover::tests::remover_index ... ok
[INFO] [stdout] test remover::tests::remover_empty ... ok
[INFO] [stdout] test remover::tests::remover_slices ... ok
[INFO] [stdout] test tests::insert_all_rev ... ok
[INFO] [stdout] test remover::tests::remover_two_both ... ok
[INFO] [stdout] test tests::multimutate_single_insert_post ... ok
[INFO] [stdout] test inserter::tests::inserter_single_post ... ok
[INFO] [stdout] test tests::insert_all ... ok
[INFO] [stdout] test inserter::tests::inserter_slices ... ok
[INFO] [stdout] test tests::insert_slice_clone ... ok
[INFO] [stdout] test tests::multimutate_single_insert_pre ... ok
[INFO] [stdout] test inserter::tests::inserter_threes_additional_cap ... ok
[INFO] [stdout] test tests::multimutate_single_insert_mid ... ok
[INFO] [stdout] test tests::insert_slice_copy ... ok
[INFO] [stdout] test inserter::tests::inserter_out_of_order - should panic ... ok
[INFO] [stdout] test inserter::tests::inserter_oob - should panic ... ok
[INFO] [stdout] test remover::tests::remover_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::multimutate_remove - should panic ... ok
[INFO] [stdout] test remover::tests::remover_advance_out_of_bounds - should panic ... ok
[INFO] [stdout] test remover::tests::remover_two_out_of_order - should panic ... ok
[INFO] [stdout] test tests::multimutate_single_insert_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::multimutate_single_insert_zero_sized_out_of_bounds - should panic ... ok
[INFO] [stdout] test remover::tests::equals_naive_remover ... ok
[INFO] [stdout] test inserter::tests::equals_naive_inserter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scanmut
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/remover.rs - remover::Remover (line 20) ... ok
[INFO] [stdout] test src/remover.rs - remover::Remover (line 45) ... ok
[INFO] [stdout] test src/inserter.rs - inserter::Inserter (line 40) ... ok
[INFO] [stdout] test src/inserter.rs - inserter::Inserter (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - ScanMut::multi_remove (line 94) ... ok
[INFO] [stdout] test src/lib.rs - ScanMut::multi_insert (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e1e53bfacd5a33cc782725a1a9ebe17080550879d92ddf3a78b2a3963551f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1e53bfacd5a33cc782725a1a9ebe17080550879d92ddf3a78b2a3963551f6a", kill_on_drop: false }`
[INFO] [stdout] 6e1e53bfacd5a33cc782725a1a9ebe17080550879d92ddf3a78b2a3963551f6a